From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7708DC2D0F4 for ; Tue, 31 Mar 2020 09:20:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 45C2B20658 for ; Tue, 31 Mar 2020 09:20:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585646413; bh=bDOyWPwtHpt7ua7OxR166RVFsXRO6Ja9g+epQkrZGuk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=JXtA3szRQ1GDU5DKKkBvE4T1YP9XrcU0gByfRvB+2vBaM98SXulTyEidoViUt0O/M YUyvwhqvpXL6u5nMtVtKgzQNgu6s+DxC+Trhvauda0GufoPgOaJnwKO/Of2nSW6+GR yUe1yF/fJ45Ayk6nTbVVIZJ5yTAYKeA+pCL7sHlk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731783AbgCaJPR (ORCPT ); Tue, 31 Mar 2020 05:15:17 -0400 Received: from mail.kernel.org ([198.145.29.99]:35420 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730701AbgCaJPR (ORCPT ); Tue, 31 Mar 2020 05:15:17 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 53F5220675; Tue, 31 Mar 2020 09:15:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585646116; bh=bDOyWPwtHpt7ua7OxR166RVFsXRO6Ja9g+epQkrZGuk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mHkSEBzg7RqRlbxJ5uLiuFxma20Ag0dJzsLVQwW5dM1o13StJH9q7+0pRu780Riai 4l5Sw5g8ZPERuN4wGblMnqwiG5XXpLKafb4/W8ZxAZMqXzADJGHB48g/d+EkTueF0f x3OzkjfdBizr+WRZnoRA4rxFQIemFG9xciebWYlM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, stable@kernel.org, Roger Quadros , Tony Lindgren Subject: [PATCH 5.4 089/155] ARM: dts: omap5: Add bus_dma_limit for L3 bus Date: Tue, 31 Mar 2020 10:58:49 +0200 Message-Id: <20200331085428.309556173@linuxfoundation.org> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200331085418.274292403@linuxfoundation.org> References: <20200331085418.274292403@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Roger Quadros commit dfa7ea303f56a3a8b1ed3b91ef35af2da67ca4ee upstream. The L3 interconnect's memory map is from 0x0 to 0xffffffff. Out of this, System memory (SDRAM) can be accessed from 0x80000000 to 0xffffffff (2GB) OMAP5 does support 4GB of SDRAM but upper 2GB can only be accessed by the MPU subsystem. Add the dma-ranges property to reflect the physical address limit of the L3 bus. Cc: stable@kernel.org Signed-off-by: Roger Quadros Signed-off-by: Tony Lindgren Signed-off-by: Greg Kroah-Hartman --- arch/arm/boot/dts/omap5.dtsi | 1 + 1 file changed, 1 insertion(+) --- a/arch/arm/boot/dts/omap5.dtsi +++ b/arch/arm/boot/dts/omap5.dtsi @@ -143,6 +143,7 @@ #address-cells = <1>; #size-cells = <1>; ranges = <0 0 0 0xc0000000>; + dma-ranges = <0x80000000 0x0 0x80000000 0x80000000>; ti,hwmods = "l3_main_1", "l3_main_2", "l3_main_3"; reg = <0 0x44000000 0 0x2000>, <0 0x44800000 0 0x3000>,